2809450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 6249600

約数和(自身を除く): 3440150

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 349, 350, 575, 698, 805, 1150, 1610, 1745, 2443, 3490, 4025, 4886, 8027, 8050, 8725, 12215, 16054, 17450, 24430, 40135, 56189, 61075, 80270, 112378, 122150, 200675, 280945, 401350, 561890, 1404725, 2809450]

約数ペア:

[(1, 2809450), (2, 1404725), (5, 561890), (7, 401350), (10, 280945), (14, 200675), (23, 122150), (25, 112378), (35, 80270), (46, 61075), (50, 56189), (70, 40135), (115, 24430), (161, 17450), (175, 16054), (230, 12215), (322, 8725), (349, 8050), (350, 8027), (575, 4886), (698, 4025), (805, 3490), (1150, 2443), (1610, 1745)]